// 浅入浅出
.shallow-in-out-enter-active,
.shallow-in-out-leave-active {
  transition: opacity 0.3s;
}
.shallow-in-out-enter,
.shallow-in-out-leave-to {
  opacity: 0;
}

// 左浅入右浅出
.leftIn-rightOut-leave-active,
.leftIn-rightOut-enter-active {
  transition: all 0.2s;
}
.leftIn-rightOut-enter {
  transform: translateX(-20px);
}
.leftIn-rightOut-leave-to {
  opacity: 0;
  transform: translateX(20px);
}
